634224405263 has 2 divisors, whose sum is σ = 634224405264. Its totient is φ = 634224405262.

The previous prime is 634224405203. The next prime is 634224405329. The reversal of 634224405263 is 362504422436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634224405263 - 2¹⁰ = 634224404239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634224405263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634224405203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317112202631 + 317112202632.

It is an arithmetic number, because the mean of its divisors is an integer number (317112202632).

Almost surely, 2^634224405263 is an apocalyptic number.

634224405263 is a deficient number, since it is larger than the sum of its proper divisors (1).

634224405263 is an equidigital number, since it uses as much as digits as its factorization.

634224405263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 634224405263 its reverse (362504422436), we get a palindrome (996728827699).

The spelling of 634224405263 in words is "six hundred thirty-four billion, two hundred twenty-four million, four hundred five thousand, two hundred sixty-three".